Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2014

Computation of basic and diluted earnings per share

The following table summarizes the computation of basic and diluted EPS:



	For the Three Months Ended March 31,
	2014			2013
	(In thousands, except per share data)
Net income attributable to Amkor	$	20,633		$	13,382
Income allocated to participating securities	(105		)	(66		)
Net income available to Amkor common stockholders — basic	20,528			13,316
Adjustment for dilutive securities on net income:
Net income reallocated to participating securities	3			66
Interest on 6.0% convertible notes due 2014, net of tax	907			4,026
Net income attributable to Amkor — diluted	$	21,438		$	17,408

Weighted average shares outstanding — basic	216,757			152,411
Effect of dilutive securities:
Stock options	109			18
6.0% convertible notes due 2014	18,631			82,658
Weighted average shares outstanding — diluted	235,497			235,087
Net income attributable to Amkor per common share:
Basic	$	0.09		$	0.09
Diluted	0.09			0.07

Antidilutive effect of potential shares of common stock that were excluded from diluted earnings per share

The following table summarizes the potential shares of common stock that were excluded from diluted EPS, because the effect of including these potential shares was antidilutive:



	For the Three Months Ended March 31,
	2014	2013
	(In thousands)
Stock options and restricted share awards	4,265	4,236